Hi David, Sorry to drag up a very old thread - we are seeing this also with asterisk kamailio and FS and I have tried lots of different combinations on both asterisk and FS to make it go away without success.. Did you ever come up with something better than the usleep ?
Many Thanks On 3 June 2013 20:23, David K <kamailio....@spam.lublink.net> wrote: > Hello all, > > So I have three machines, we don't care about audio for this problem, so > everything I mention here is SIP related. > > Freeswitch <--> Kamailio 3.3.2 <--> Asterisk > > 1. Asterisk sends an INVITE to Freeswitch through the Kamailio proxy. > 2. Kamailio replies 100 Trying and forwards to Freeswitch > 3. Freeswitch replies 100 Trying > 4. Freeswitch replies 180 Ringing to Kamailio > 5. Kamailio routes the answer to Asterisk > 6. Freeswitch replies 200 OK to Kamailio > 7. Kamailio replies 200 OK to Asterisk > 8. Asterisk replies ACK to Kamailio > 9. Asterisk sends a re-INVITE to Freeswitch through Kamailio > 10. Kamailio routes the re-INVITE to freeswitch > 11. Kamailio routes the ACK to freeswitch. > 12. Freeswitch replies 500 Server error because it got a re-INVITE before > the ACK. > > So, my problem is that Kamailio seems to process my re-INVITE more quickly > than the ACK. So Freeswitch replies an error because it got the re-INVITE > before the ACK. > > So my "solution" is to add a usleep(20); for re-INVITEs on Kamailio, but I > think this is a lousy solution. > > Has anyone here had to deal with problems where Kamailio routes a re-INVITE > faster than an ACK causing endpoints to return error messages? Has anyone > had to deal with a similar issue? > > Thanks, > > David > > > > _______________________________________________ > SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list > sr-users@lists.sip-router.org > http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users@lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
